期刊
FRONTIERS IN MICROBIOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2022.881595
关键词
hepatitis E virus (HEV); zinc oxide nanoparticles; zinc oxide tetrapod; antivirals; hepatitis C virus (HCV)
类别
资金
- Indian Council of Medical Research (ICMR), Government of India
- GGSIPU
- ICMR
- Department of Biotechnology, Government of India
Zinc salts exhibit antiviral activity against HEV and HCV, with zinc oxide nanoparticles showing higher efficacy. These nanoparticles are noncytotoxic to cells and have potential therapeutic benefits for HEV and HCV.
Hepatitis E virus (HEV) causes an acute, self-limiting hepatitis. The disease takes a severe form in pregnant women, leading to around 30% mortality. Zinc is an essential micronutrient that plays a crucial role in multiple cellular processes. Our earlier findings demonstrated the antiviral activity of zinc salts against HEV infection. Zinc oxide (ZnO) and its nanostructures have attracted marked interest due to their unique characteristics. Here we synthesized ZnO nanoparticles [ZnO(NP)] and tetrapod-shaped ZnO nanoparticles [ZnO(TP)] and evaluated their antiviral activity. Both ZnO(NP) and ZnO(TP) displayed potent antiviral activity against hepatitis E and hepatitis C viruses, with the latter being more effective. Measurement of cell viability and intracellular reactive oxygen species levels revealed that both ZnO(NP) and ZnO(TP) are noncytotoxic to the cells even at significantly higher doses, compared to a conventional zinc salt (ZnSO4). Our study paves the way for evaluation of the potential therapeutic benefit of ZnO(TP) against HEV and HCV.
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